I Followed the Official AWS Amplify Guide and Was Charged $1,100

"Billing alerts" are a joke, give us hard spend limits. Then offer a way to set those limits during onboarding.

Building a business on blank cheques and accidental spends is shady. It's also a large barrier to adoption. The more times devs see reports like, "I tried [random 20-minute tutorial] and woke up to a bill for my life's savings and luckily support waived the fee this one time but next time they're coming for my house", the less they'll want to explore your offerings.

Regulate it.

Asking Amazon to do something makes little sense. Create laws that force Amazon, and all the rest, to respect their users money. By default, corporations will do what makes them money, not what is ethical or good for the economy.